package com.qfedu.hotelssm.controller;

import com.alibaba.excel.EasyExcel;
import com.qfedu.hotelssm.dto.ItemsExportDto;
import com.qfedu.hotelssm.entity.Items;
import com.qfedu.hotelssm.service.intf.ItemsService;
import com.qfedu.hotelssm.vo.PageBean;
import com.qfedu.hotelssm.vo.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

/**
 * @author mk
 * @date 2022/8/28  21:12
 */
@RestController
@RequestMapping("/api/items/")
public class ItemsController {
    @Autowired
    private ItemsService service;
    //新增
    @PostMapping("save.do")
    public R save(Items items){
        return service.save(items);
    }

    //删除
    @GetMapping("del.do")
    public R del(int id){
        return service.delete(id);
    }

    //查询
    @GetMapping("page.do")
    public PageBean page(String name, int page, int limit){
        return service.selectPage(name, page, limit);
    }
    //批量删除
    @PostMapping("delids.do")
    public R dels(int[] ids){
        return service.delIds(ids);
    }
    //导出Excel
    @GetMapping("download.do")
    public void download(HttpServletResponse response) throws IOException {
        //1.设置 响应消息头 下载
        response.setHeader("content-disposition","attachment;filename=items-"+System.currentTimeMillis()+".xlsx");
        //2.查询学员数据
        List<ItemsExportDto> list=service.all();
        //3.实现数据写出 Excel生成
        EasyExcel.write(response.getOutputStream(),ItemsExportDto.class).sheet(System.currentTimeMillis()+"").doWrite(list);
    }

    //导入
    @PostMapping("upload.do")
    public R upload(MultipartFile file) throws IOException {
        return service.upload(file);
    }
}
